Administration Guide › How CA Directory Works › DSAs › Types of DSA

Types of DSA

Router DSA

A router DSA has no local data and no datastore. It can only route traffic to other DSAs.

DXmanager represents a router DSA with this icon:

Data DSA

A data DSA holds data, and queries are routed to it by router DSAs. A data DSA can perform local operations, replicate updates, and route traffic to other DSAs.

A data DSA is always associated with a datastore, which stores the data even if the DSA is shut down.

The datastore is a memory-mapped file. The DSA uses the in-memory copy of the namespace partition, and relies on the operating system memory mapping functions to keep the file copy on disk up to date.

DXmanager represents a data DSA with this icon:

Third-party X.500 DSA / Third-party LDAP Server

This is a DSA from an external vendor.

DXmanager can monitor these DSAs if they are suitably configured to accept requests from the backbone.

DXmanager represents a foreign DSA with this icon: